That is great. I highly recommend to use thread locker for all bolts that are going to metal.
Yes, it should be completely safe. You can perform testing procedure to be perfectly sure:
The easiest test for checking the rescue is to fly the helicopter in very normal way (your style). Then, immediatelly after the flight while rotor is not spinning anymore, you can activate the bailout/stabilisation. If you can see that swashplate is in the horizontal position and helicopter too, then it should work correctly anytime during the flight as well. This is very safe method for checking the operation.
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